Getting started in science fairs : from planning to judging /
39
| Main Author: | |
|---|---|
| Format: | |
| Published: |
New York : McGraw-Hill,
1995
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| Subjects: |
39
| Main Author: | |
|---|---|
| Format: | |
| Published: |
New York : McGraw-Hill,
1995
|
| Subjects: |